44 Design of Sound Insulation Kiyoshi Okura

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Mitsuboshi Belting Ltd.

44.1 Theory of Sound Insulation ............................................. 44-1

Expressions of Sound Insulation † Transmission Loss of

a Single Wall † Transmission Loss of Multiple Panels †

Transmission Loss of Double Wall with Sound Bridge

44.2 Application of Sound Insulation ..................................... 44-13

Acoustic Enclosure † Sound Insulation Lagging

Summary

This chapter presents useful theory and design procedures for sound insulation. Related concepts and

representations of transmission loss, the transmission coefficient, and impedance are given. Analysis and design

procedures for sound insulation structures such as single and multiple panels and walls with sound absorption

material are presented. Practical applications for the design of sound insulation components and systems are

described.

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